Which composite number is the product of first n primes (the n-th primorial number)?: a(n) = k such that A002808(k) = A002110(n), or 0 if A002110(n) is not composite.

A065898

Which composite number is the product of first n primes (the n-th primorial number)?: a(n) = k such that A002808(k) = A002110(n), or 0 if A002110(n) is not composite.

Terms

    a(0) =0a(1) =2a(2) =19a(3) =163a(4) =1966a(5) =26781a(6) =468178a(7) =9053660a(8) =210809338a(9) =6169323433a(10) =192531847119

External references